2022-02-27 Fred Gleason <fredg@paravelsystems.com>

* Added an 'RDTimeProbe' class.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>

lib/rdtimeprobe.h

@@ -0,0 +1,59 @@
+//   rdtimeprobe.h
+//
+//   Report elapsed times for profiling and optimization
+//
+//   (C) Copyright 2022 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU Library General Public License 
+//   version 2 as published by the Free Software Foundation.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef RDTIMEPROBE_H
+#define RDTIMEPROBE_H
+
+#include <stdio.h>
+#include <time.h>
+
+#include <QDateTime>
+#include <QString>
+
+class RDTimeProbeStamp
+{
+ public:
+  RDTimeProbeStamp(struct timespec *tp=NULL);
+  ~RDTimeProbeStamp();
+  QString toString() const;
+  double operator-(const RDTimeProbeStamp &other);
+  static RDTimeProbeStamp *currentStamp();
+
+ private:
+  struct timespec d_timespec;
+};
+
+
+
+
+class RDTimeProbe
+{
+ public:
+  RDTimeProbe(FILE *out=stderr);
+  ~RDTimeProbe();
+  void printWaypoint(const QString &label);
+
+ private:
+  RDTimeProbeStamp *d_current_timestamp;
+  FILE *d_output_stream;
+};
+
+
+#endif  // RDTIMEPROBE_H